Games like Danmaku Girl
Games like Danmaku Girl include Trine 2: Complete Story, Webbed, Celeste, Trine 5: A Clockwork Conspiracy, and ANIMAL WELL. We matched them by the tags players give Danmaku Girl on Steam (Adventure, 2D Platformer, Platformer, Puzzle Platformer, and Action-Adventure): closest matches first, and among equally close ones the better-known games.

Trine 2: Complete Story
Shared: Puzzle Platformer · Platformer · 2D Platformer

Webbed
Shared: 2D Platformer · Puzzle Platformer · Platformer

Celeste
Shared: Platformer · 2D Platformer · Adventure

Trine 5: A Clockwork Conspiracy
Shared: Adventure · Platformer · RPG

ANIMAL WELL
Shared: Puzzle Platformer · Platformer · Puzzle

LIMBO
Shared: Puzzle Platformer · Platformer · Adventure

Öoo
Shared: 2D Platformer · Puzzle Platformer · Puzzle

FEZ
Shared: Platformer · Puzzle · Adventure

Portal 2
Shared: Platformer · Puzzle · Puzzle Platformer

Creepy Tale
Shared: Adventure · Puzzle Platformer · 2D Platformer

Leap Year
Shared: 2D Platformer · Puzzle Platformer · Platformer

Trine Enchanted Edition
Shared: 2D Platformer · Puzzle Platformer · Action-Adventure

SANABI
Shared: 2D Platformer · Adventure · Platformer

Anomaly Agent
Shared: 2D Platformer · Platformer · Action Roguelike

Neva
Shared: Adventure · Platformer · 2D Platformer

Planet of Lana
Shared: Puzzle Platformer · 2D Platformer · Adventure

Farever
Shared: Adventure · RPG · Action-Adventure

Chained Together
Shared: Adventure · Platformer · Puzzle Platformer

Braid
Shared: 2D Platformer · Puzzle Platformer · Platformer

BlazBlue Entropy Effect
Shared: Platformer · Action-Adventure · Action Roguelike

Afterimage
Shared: 2D Platformer · Platformer · Adventure

Laughing to Die
Shared: Adventure · Platformer · 2D Platformer

Ori and the Will of the Wisps
Shared: Platformer · Adventure · Action-Adventure

Out There Somewhere
Shared: Platformer · Adventure · Puzzle